Ключевые слова: adult, background, black, brown, child, chronic, closeup, color image, concept, condition, depigmentation, dermatology, dirt, dirty, fingers, hands, health, horizontal, human body part, human hand, industry, laboratory, mechanic, men, occupation, one person, patchy, person, pigment, skin, soil, studio shot, thumb, times, unhygienic, vitiligo, white, young,